I’m so pleased that you have a date for surgery, good you’ll only have to go through it once! You’ve had some nasty symptoms; hopefully they’ll be gone once you’ve recovered 
I wasn’t so worried about being out under- it’s just like falling asleep from my experience, you’re not aware of anything- my worry was what I would feel like when I woke up, but that was fine & I needn’t have been stressed about it!
There’s lots of info about surgery in the Newbies Guide & in the discussions, as many members have posted about their recoveries- if you search for ‘what to expect after surgery’ for example it should come up quite a few links…one of our members also did a surgery shopping list, I’ll give you the link for that:
Surgery shopping list - General - Living with Eagle
ES Information- Treatment: Surgery - Welcome / Newbies Guide to Eagle Syndrome - Living with Eagle
I think that @Isaiah_40_31 has covered everything! Will pray for good results for you 
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